ˊㄎㄨㄞˋyúkuài

  1. 愉悅快樂 旅途愉快」、勝任愉快」、合作愉快」。

cheerful, cheerily, delightful, pleasant, pleasantly, pleasing, happy, delighted
gai, joyeux, heureux, agréable, plaisant
glücklich, fröhlich (Adj)​